Number
1,225
1,225 is a composite number, odd, a calendar year.
Properties
- Parity
- Odd
- Digit count
- 4
- Digit sum
- 10
- Digital root
- 1
- Palindrome
- No
- Divisor count
- 9
- σ(n) — sum of divisors
- 1,767
Primality
Prime factorization: 5 2 × 7 2
Divisors & multiples
Aliquot sum (sum of proper divisors):
542
First multiples
Representations
- In words
- one thousand two hundred twenty-five
- Ordinal
- 1225th
- Roman numeral
- MCCXXV
- Binary
- 10011001001
- Octal
- 2311
- Hexadecimal
- 4C9
Also seen as
Unicode codepoint
Ӊ
U+04C9
Uppercase letter (Lu)
UTF-8 encoding: D3 89 (2 bytes).
Hex color
#0004C9
RGB(0, 4, 201)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.4.201.